﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;

// Additional Libraries
using LocalDatabase.ViewModel;
using LocalDatabase.Model;
using Microsoft.Phone.Notification;
using System.IO.IsolatedStorage;
using FindMe.FindMeFriendServiceReference;

namespace FindMe
{


    public partial class App : Application
    {
        // Public Paths
        public const string PathSettings = "/Settings.xaml";
        public const string PathConversations = "/Conversations.xaml";
        public const string PathLogin = "/Login.xaml";
        public const string PathMain = "/Main.xaml";
        public const string PathChat = "/chat.xaml";
        public const string PathContact = "/contact.xaml";
        public const string PathFullMap = "/fullMap.xaml";
        public const string PathLoad = "/load.xaml";
        public const string PathShare = "/ShareLocation.xaml";
        public const string PathNotifications = "/Notifications.xaml";
        public const string PathRequest = "/Requests.xaml";
        public const string PathRegister = "/RegisterPage.xaml";
        public const string PathForgotPass= "/ForgotPassword.xaml";
        public const string PathFavLocations = "/FavoriteLocations.xaml";
        public static string UserCoordinates = string.Empty;
        public static string FullName = string.Empty;

        // Notification Counters
        public int counterInbox, counterNotifications = 0;
        
        private static MainViewModel viewModel = null;
        public static HttpNotificationChannel pushChannel;
        static FindMeFriendServiceReference.FindMeFriendServiceClient serviceClient;

        /// <summary>
        /// A static ViewModel used by the views to bind against.
        /// </summary>
        /// <returns>The MainViewModel object.</returns>
        public static MainViewModel ViewModel
        {
            get
            {
                // Delay creation of the view model until necessary
                if (viewModel == null)
                    viewModel = new MainViewModel();

                return viewModel;
            }
        }

        /// <summary>
        /// Provides easy access to the root frame of the Phone Application.
        /// </summary>
        /// <returns>The root frame of the Phone Application.</returns>
        public PhoneApplicationFrame RootFrame { get; private set; }

        // The static ViewModel, to be used across the application for the FindMeDatabase.
        public static FindMeFriendsViewModel _FindMeFriendsViewModel;
        public static FavoriteLocationsViewModel _FavoriteLocationsViewModel = new FavoriteLocationsViewModel();

        /// <summary>
        /// Constructor for the Application object.
        /// </summary>
        public App()
        {


            serviceClient = new FindMeFriendServiceReference.FindMeFriendServiceClient();

            // Global handler for uncaught exceptions. 
            UnhandledException += Application_UnhandledException;

            // Standard Silverlight initialization
            InitializeComponent();

            // Phone-specific initialization
            InitializePhoneApplication();

            // Show graphics profiling information while debugging.
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // Display the current frame rate counters.
                Application.Current.Host.Settings.EnableFrameRateCounter = true;

                // Show the areas of the app that are being redrawn in each frame.
                //Application.Current.Host.Settings.EnableRedrawRegions = true;

                // Enable non-production analysis visualization mode, 
                // which shows areas of a page that are handed off to GPU with a colored overlay.
                //Application.Current.Host.Settings.EnableCacheVisualization = true;

                // Disable the application idle detection by setting the UserIdleDetectionMode property of the
                // application's PhoneApplicationService object to Disabled.
                // Caution:- Use this under debug mode only. Application that disables user idle detection will continue to run
                // and consume battery power when the user is not using the phone.
                PhoneApplicationService.Current.UserIdleDetectionMode = IdleDetectionMode.Disabled;
            }

            MainTile.CreateDefault();
        }

        public static void pushChannel_ChannelUriUpdated(object sender, NotificationChannelUriEventArgs e)
        {
            IsolatedStorageSettings settings = IsolatedStorageSettings.ApplicationSettings;

            Guid sessionToken = (Guid)settings["SessionToken"];
            string username = settings["Username"].ToString();
            serviceClient.UpdatePushURIAsync(username, sessionToken, e.ChannelUri.ToString());
        }

        // Code to execute when the application is launching (eg, from Start)
        // This code will not execute when the application is reactivated
        private void Application_Launching(object sender, LaunchingEventArgs e)
        {
            
        }

        // Code to execute when the application is activated (brought to foreground)
        // This code will not execute when the application is first launched
        private void Application_Activated(object sender, ActivatedEventArgs e)
        {
            // Ensure that application state is restored appropriately
            if (!App.ViewModel.IsDataLoaded)
            {
                App.ViewModel.LoadData();
            }
        }

        // Code to execute when the application is deactivated (sent to background)
        // This code will not execute when the application is closing
        private void Application_Deactivated(object sender, DeactivatedEventArgs e)
        {
            // Ensure that required application state is persisted here.
        }

        // Code to execute when the application is closing (eg, user hit Back)
        // This code will not execute when the application is deactivated
        private void Application_Closing(object sender, ClosingEventArgs e)
        {
        }

        // Code to execute if a navigation fails
        private void RootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // A navigation has failed; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        // Code to execute on Unhandled Exceptions
        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // An unhandled exception has occurred; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        #region Phone application initialization

        // Avoid double-initialization
        private bool phoneApplicationInitialized = false;

        // Do not add any additional code to this method
        private void InitializePhoneApplication()
        {
            if (phoneApplicationInitialized)
                return;

            // Create the frame but don't set it as RootVisual yet; this allows the splash
            // screen to remain active until the application is ready to render.
            RootFrame = new PhoneApplicationFrame();
            RootFrame.Navigated += CompleteInitializePhoneApplication;

            // Handle navigation failures
            RootFrame.NavigationFailed += RootFrame_NavigationFailed;

            // Ensure we don't initialize again
            phoneApplicationInitialized = true;
        }

        // Do not add any additional code to this method
        private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e)
        {
            // Set the root visual to allow the application to render
            if (RootVisual != RootFrame)
                RootVisual = RootFrame;

            // Remove this handler since it is no longer needed
            RootFrame.Navigated -= CompleteInitializePhoneApplication;
        }

        #endregion
    }
}